Add 90/75 and 21/9
1st number: 1 15/75, 2nd number: 2 3/9
90/75 + 21/9 is 53/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
90/75 = 90 × 3/75 × 3 = 270/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
21/9 = 21 × 25/9 × 25 = 525/225 - Add the two like fractions:
270/225 + 525/225 = 270 + 525/225 = 795/225 - 795/225 simplified gives 53/15
- So, 90/75 + 21/9 = 53/15
In mixed form: 38/15
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